top-think /
framework
| Total Complexity | 93 |
| Total Lines | 625 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like RelationShip often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use RelationShip, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 32 | trait RelationShip |
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| 33 | { |
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| 34 | /** |
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| 35 | * 父关联模型对象 |
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| 36 | * @var object |
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| 37 | */ |
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| 38 | private $parent; |
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| 39 | |||
| 40 | /** |
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| 41 | * 模型关联数据 |
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| 42 | * @var array |
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| 43 | */ |
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| 44 | private $relation = []; |
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| 45 | |||
| 46 | /** |
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| 47 | * 关联写入定义信息 |
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| 48 | * @var array |
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| 49 | */ |
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| 50 | private $together = []; |
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| 51 | |||
| 52 | /** |
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| 53 | * 关联自动写入信息 |
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| 54 | * @var array |
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| 55 | */ |
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| 56 | protected $relationWrite = []; |
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| 57 | |||
| 58 | /** |
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| 59 | * 设置父关联对象 |
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| 60 | * @access public |
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| 61 | * @param Model $model 模型对象 |
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| 62 | * @return $this |
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| 63 | */ |
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| 64 | public function setParent(Model $model) |
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| 65 | { |
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| 66 | $this->parent = $model; |
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| 67 | |||
| 68 | return $this; |
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| 69 | } |
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| 70 | |||
| 71 | /** |
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| 72 | * 获取父关联对象 |
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| 73 | * @access public |
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| 74 | * @return Model |
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| 75 | */ |
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| 76 | public function getParent(): Model |
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| 77 | { |
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| 78 | return $this->parent; |
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| 79 | } |
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| 80 | |||
| 81 | /** |
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| 82 | * 获取当前模型的关联模型数据 |
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| 83 | * @access public |
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| 84 | * @param string $name 关联方法名 |
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| 85 | * @return mixed |
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| 86 | */ |
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| 87 | public function getRelation(string $name = null) |
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| 95 | } |
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| 96 | } |
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| 97 | |||
| 98 | /** |
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| 99 | * 设置关联数据对象值 |
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| 100 | * @access public |
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| 101 | * @param string $name 属性名 |
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| 102 | * @param mixed $value 属性值 |
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| 103 | * @param array $data 数据 |
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| 104 | * @return $this |
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| 105 | */ |
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| 106 | public function setRelation(string $name, $value, array $data = []) |
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| 107 | { |
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| 108 | // 检测修改器 |
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| 109 | $method = 'set' . App::parseName($name, 1) . 'Attr'; |
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| 110 | |||
| 111 | if (method_exists($this, $method)) { |
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| 112 | $value = $this->$method($value, array_merge($this->data, $data)); |
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| 113 | } |
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| 114 | |||
| 115 | $this->relation[$name] = $value; |
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| 116 | |||
| 117 | return $this; |
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| 118 | } |
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| 119 | |||
| 120 | /** |
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| 121 | * 查询当前模型的关联数据 |
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| 122 | * @access public |
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| 123 | * @param array $relations 关联名 |
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| 124 | * @return void |
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| 125 | */ |
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| 126 | public function relationQuery(array $relations): void |
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| 127 | { |
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| 128 | foreach ($relations as $key => $relation) { |
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| 129 | $subRelation = ''; |
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| 130 | $closure = null; |
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| 131 | |||
| 132 | if ($relation instanceof \Closure) { |
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| 133 | // 支持闭包查询过滤关联条件 |
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| 134 | $closure = $relation; |
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| 135 | $relation = $key; |
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| 136 | } |
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| 137 | |||
| 138 | if (is_array($relation)) { |
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| 139 | $subRelation = $relation; |
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| 140 | $relation = $key; |
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| 141 | } elseif (strpos($relation, '.')) { |
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| 142 | list($relation, $subRelation) = explode('.', $relation, 2); |
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| 143 | } |
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| 144 | |||
| 145 | $method = App::parseName($relation, 1, false); |
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| 146 | |||
| 147 | $this->relation[$relation] = $this->$method()->getRelation($subRelation, $closure); |
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| 148 | } |
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| 149 | } |
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| 150 | |||
| 151 | /** |
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| 152 | * 关联数据写入 |
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| 153 | * @access public |
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| 154 | * @param array $relation 关联 |
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| 155 | * @return $this |
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| 156 | */ |
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| 157 | public function together(array $relation) |
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| 158 | { |
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| 159 | $this->together = $relation; |
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| 160 | |||
| 161 | $this->checkAutoRelationWrite(); |
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| 162 | |||
| 163 | return $this; |
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| 164 | } |
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| 165 | |||
| 166 | /** |
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| 167 | * 根据关联条件查询当前模型 |
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| 168 | * @access public |
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| 169 | * @param string $relation 关联方法名 |
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| 170 | * @param mixed $operator 比较操作符 |
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| 171 | * @param integer $count 个数 |
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| 172 | * @param string $id 关联表的统计字段 |
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| 173 | * @param string $joinType JOIN类型 |
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| 174 | * @return Query |
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| 175 | */ |
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| 176 | public static function has(string $relation, string $operator = '>=', int $count = 1, string $id = '*', string $joinType = ''): Query |
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| 177 | { |
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| 178 | return (new static()) |
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| 179 | ->$relation() |
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| 180 | ->has($operator, $count, $id, $joinType); |
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| 181 | } |
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| 182 | |||
| 183 | /** |
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| 184 | * 根据关联条件查询当前模型 |
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| 185 | * @access public |
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| 186 | * @param string $relation 关联方法名 |
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| 187 | * @param mixed $where 查询条件（数组或者闭包） |
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| 188 | * @param mixed $fields 字段 |
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| 189 | * @param string $joinType JOIN类型 |
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| 190 | * @return Query |
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| 191 | */ |
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| 192 | public static function hasWhere(string $relation, $where = [], string $fields = '*', string $joinType = ''): Query |
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| 197 | } |
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| 198 | |||
| 199 | /** |
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| 200 | * 预载入关联查询 返回数据集 |
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| 201 | * @access public |
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| 202 | * @param array $resultSet 数据集 |
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| 203 | * @param string $relation 关联名 |
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| 204 | * @param array $withRelationAttr 关联获取器 |
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| 205 | * @param array $withBind 关联绑定（一对一关联） |
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| 206 | * @param bool $join 是否为JOIN方式 |
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| 207 | * @return void |
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| 208 | */ |
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| 209 | public function eagerlyResultSet(array &$resultSet, array $relations, array $withRelationAttr = [], array $withBind = [], bool $join = false): void |
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| 210 | { |
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| 211 | foreach ($relations as $key => $relation) { |
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| 212 | $subRelation = []; |
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| 213 | $closure = null; |
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| 214 | |||
| 215 | if ($relation instanceof \Closure) { |
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| 216 | $closure = $relation; |
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| 217 | $relation = $key; |
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| 218 | } |
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| 219 | |||
| 220 | if (is_array($relation)) { |
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| 221 | $subRelation = $relation; |
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| 222 | $relation = $key; |
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| 223 | } elseif (strpos($relation, '.')) { |
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| 224 | list($relation, $subRelation) = explode('.', $relation, 2); |
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| 225 | |||
| 226 | $subRelation = [$subRelation]; |
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| 227 | } |
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| 228 | |||
| 229 | $relation = App::parseName($relation, 1, false); |
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| 230 | $relationName = App::parseName($relation); |
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| 231 | |||
| 232 | $relationResult = $this->$relation(); |
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| 233 | |||
| 234 | if (isset($withBind[$relationName])) { |
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| 235 | $relationResult->bind($withBind[$relationName]); |
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| 236 | } |
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| 237 | |||
| 238 | if (isset($withRelationAttr[$relationName])) { |
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| 239 | $relationResult->withAttr($withRelationAttr[$relationName]); |
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| 240 | } |
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| 241 | |||
| 242 | $relationResult->eagerlyResultSet($resultSet, $relation, $subRelation, $closure, $join); |
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| 243 | } |
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| 244 | } |
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| 245 | |||
| 246 | /** |
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| 247 | * 预载入关联查询 返回模型对象 |
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| 248 | * @access public |
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| 249 | * @param Model $result 数据对象 |
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| 250 | * @param array $relations 关联 |
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| 251 | * @param array $withRelationAttr 关联获取器 |
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| 252 | * @param array $withBind 关联绑定（一对一关联） |
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| 253 | * @param bool $join 是否为JOIN方式 |
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| 254 | * @return void |
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| 255 | */ |
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| 256 | public function eagerlyResult(Model $result, array $relations, array $withRelationAttr = [], array $withBind = [], bool $join = false): void |
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| 257 | { |
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| 258 | foreach ($relations as $key => $relation) { |
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| 259 | $subRelation = []; |
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| 260 | $closure = null; |
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| 261 | |||
| 262 | if ($relation instanceof \Closure) { |
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| 263 | $closure = $relation; |
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| 264 | $relation = $key; |
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| 265 | } |
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| 266 | |||
| 267 | if (is_array($relation)) { |
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| 268 | $subRelation = $relation; |
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| 269 | $relation = $key; |
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| 270 | } elseif (strpos($relation, '.')) { |
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| 271 | list($relation, $subRelation) = explode('.', $relation, 2); |
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| 272 | |||
| 273 | $subRelation = [$subRelation]; |
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| 274 | } |
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| 275 | |||
| 276 | $relation = App::parseName($relation, 1, false); |
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| 277 | $relationName = App::parseName($relation); |
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| 278 | |||
| 279 | $relationResult = $this->$relation(); |
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| 280 | |||
| 281 | if (isset($withBind[$relationName])) { |
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| 282 | $relationResult->bind($withBind[$relationName]); |
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| 283 | } |
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| 284 | |||
| 285 | if (isset($withRelationAttr[$relationName])) { |
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| 286 | $relationResult->withAttr($withRelationAttr[$relationName]); |
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| 287 | } |
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| 288 | |||
| 289 | $relationResult->eagerlyResult($result, $relation, $subRelation, $closure, $join); |
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| 290 | } |
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| 291 | } |
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| 292 | |||
| 293 | /** |
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| 294 | * 关联统计 |
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| 295 | * @access public |
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| 296 | * @param Model $result 数据对象 |
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| 297 | * @param array $relations 关联名 |
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| 298 | * @param string $aggregate 聚合查询方法 |
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| 299 | * @param string $field 字段 |
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| 300 | * @return void |
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| 301 | */ |
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| 302 | public function relationCount(Model $result, array $relations, string $aggregate = 'sum', string $field = '*'): void |
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| 303 | { |
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| 304 | foreach ($relations as $key => $relation) { |
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| 305 | $closure = $name = null; |
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| 306 | |||
| 307 | if ($relation instanceof \Closure) { |
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| 308 | $closure = $relation; |
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| 309 | $relation = $key; |
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| 310 | } elseif (is_string($key)) { |
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| 311 | $name = $relation; |
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| 312 | $relation = $key; |
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| 313 | } |
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| 314 | |||
| 315 | $relation = App::parseName($relation, 1, false); |
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| 316 | $count = $this->$relation()->relationCount($result, $closure, $aggregate, $field, $name); |
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| 317 | |||
| 318 | if (empty($name)) { |
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| 319 | $name = App::parseName($relation) . '_' . $aggregate; |
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| 320 | } |
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| 321 | |||
| 322 | $result->setAttr($name, $count); |
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| 323 | } |
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| 324 | } |
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| 325 | |||
| 326 | /** |
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| 327 | * HAS ONE 关联定义 |
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| 328 | * @access public |
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| 329 | * @param string $model 模型名 |
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| 330 | * @param string $foreignKey 关联外键 |
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| 331 | * @param string $localKey 当前主键 |
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| 332 | * @return HasOne |
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| 333 | */ |
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| 334 | public function hasOne(string $model, string $foreignKey = '', string $localKey = ''): HasOne |
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| 335 | { |
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| 336 | // 记录当前关联信息 |
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| 337 | $model = $this->parseModel($model); |
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| 338 | $localKey = $localKey ?: $this->getPk(); |
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|
Bug
introduced
by
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| 339 | $foreignKey = $foreignKey ?: $this->getForeignKey($this->name); |
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| 340 | |||
| 341 | return new HasOne($this, $model, $foreignKey, $localKey); |
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| 342 | } |
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| 343 | |||
| 344 | /** |
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| 345 | * BELONGS TO 关联定义 |
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| 346 | * @access public |
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| 347 | * @param string $model 模型名 |
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| 348 | * @param string $foreignKey 关联外键 |
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| 349 | * @param string $localKey 关联主键 |
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| 350 | * @return BelongsTo |
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| 351 | */ |
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| 352 | public function belongsTo(string $model, string $foreignKey = '', string $localKey = ''): BelongsTo |
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| 353 | { |
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| 354 | // 记录当前关联信息 |
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| 355 | $model = $this->parseModel($model); |
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| 356 | $foreignKey = $foreignKey ?: $this->getForeignKey((new $model)->getName()); |
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| 357 | $localKey = $localKey ?: (new $model)->getPk(); |
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| 358 | $trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 2); |
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| 359 | $relation = App::parseName($trace[1]['function']); |
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| 360 | |||
| 361 | return new BelongsTo($this, $model, $foreignKey, $localKey, $relation); |
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| 362 | } |
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| 363 | |||
| 364 | /** |
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| 365 | * HAS MANY 关联定义 |
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| 366 | * @access public |
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| 367 | * @param string $model 模型名 |
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| 368 | * @param string $foreignKey 关联外键 |
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| 369 | * @param string $localKey 当前主键 |
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| 370 | * @return HasMany |
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| 371 | */ |
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| 372 | public function hasMany(string $model, string $foreignKey = '', string $localKey = ''): HasMany |
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| 373 | { |
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| 374 | // 记录当前关联信息 |
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| 375 | $model = $this->parseModel($model); |
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| 376 | $localKey = $localKey ?: $this->getPk(); |
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| 377 | $foreignKey = $foreignKey ?: $this->getForeignKey($this->name); |
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| 378 | |||
| 379 | return new HasMany($this, $model, $foreignKey, $localKey); |
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| 380 | } |
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| 381 | |||
| 382 | /** |
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| 383 | * HAS MANY 远程关联定义 |
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| 384 | * @access public |
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| 385 | * @param string $model 模型名 |
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| 386 | * @param string $through 中间模型名 |
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| 387 | * @param string $foreignKey 关联外键 |
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| 388 | * @param string $throughKey 关联外键 |
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| 389 | * @param string $localKey 当前主键 |
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| 390 | * @return HasManyThrough |
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| 391 | */ |
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| 392 | public function hasManyThrough(string $model, string $through, string $foreignKey = '', string $throughKey = '', string $localKey = ''): HasManyThrough |
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| 393 | { |
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| 394 | // 记录当前关联信息 |
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| 395 | $model = $this->parseModel($model); |
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| 396 | $through = $this->parseModel($through); |
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| 397 | $localKey = $localKey ?: $this->getPk(); |
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| 398 | $foreignKey = $foreignKey ?: $this->getForeignKey($this->name); |
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| 399 | $throughKey = $throughKey ?: $this->getForeignKey((new $through)->getName()); |
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| 400 | |||
| 401 | return new HasManyThrough($this, $model, $through, $foreignKey, $throughKey, $localKey); |
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| 402 | } |
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| 403 | |||
| 404 | /** |
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| 405 | * BELONGS TO MANY 关联定义 |
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| 406 | * @access public |
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| 407 | * @param string $model 模型名 |
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| 408 | * @param string $table 中间表名 |
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| 409 | * @param string $foreignKey 关联外键 |
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| 410 | * @param string $localKey 当前模型关联键 |
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| 411 | * @return BelongsToMany |
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| 412 | */ |
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| 413 | public function belongsToMany(string $model, string $table = '', string $foreignKey = '', string $localKey = ''): BelongsToMany |
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| 414 | { |
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| 415 | // 记录当前关联信息 |
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| 416 | $model = $this->parseModel($model); |
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| 417 | $name = App::parseName(App::classBaseName($model)); |
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| 418 | $table = $table ?: App::parseName($this->name) . '_' . $name; |
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| 419 | $foreignKey = $foreignKey ?: $name . '_id'; |
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| 420 | $localKey = $localKey ?: $this->getForeignKey($this->name); |
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| 421 | |||
| 422 | return new BelongsToMany($this, $model, $table, $foreignKey, $localKey); |
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| 423 | } |
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| 424 | |||
| 425 | /** |
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| 426 | * MORPH One 关联定义 |
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| 427 | * @access public |
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| 428 | * @param string $model 模型名 |
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| 429 | * @param string|array $morph 多态字段信息 |
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| 430 | * @param string $type 多态类型 |
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| 431 | * @return MorphOne |
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| 432 | */ |
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| 433 | public function morphOne(string $model, $morph = null, string $type = ''): MorphOne |
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| 434 | { |
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| 435 | // 记录当前关联信息 |
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| 436 | $model = $this->parseModel($model); |
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| 437 | |||
| 438 | if (is_null($morph)) { |
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| 439 | $trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 2); |
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| 440 | $morph = App::parseName($trace[1]['function']); |
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| 441 | } |
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| 442 | |||
| 443 | if (is_array($morph)) { |
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| 444 | list($morphType, $foreignKey) = $morph; |
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| 445 | } else { |
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| 446 | $morphType = $morph . '_type'; |
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| 447 | $foreignKey = $morph . '_id'; |
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| 448 | } |
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| 449 | |||
| 450 | $type = $type ?: get_class($this); |
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| 451 | |||
| 452 | return new MorphOne($this, $model, $foreignKey, $morphType, $type); |
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| 453 | } |
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| 454 | |||
| 455 | /** |
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| 456 | * MORPH MANY 关联定义 |
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| 457 | * @access public |
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| 458 | * @param string $model 模型名 |
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| 459 | * @param string|array $morph 多态字段信息 |
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| 460 | * @param string $type 多态类型 |
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| 461 | * @return MorphMany |
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| 462 | */ |
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| 463 | public function morphMany(string $model, $morph = null, string $type = ''): MorphMany |
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| 464 | { |
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| 465 | // 记录当前关联信息 |
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| 466 | $model = $this->parseModel($model); |
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| 467 | |||
| 468 | if (is_null($morph)) { |
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| 469 | $trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 2); |
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| 470 | $morph = App::parseName($trace[1]['function']); |
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| 471 | } |
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| 472 | |||
| 473 | $type = $type ?: get_class($this); |
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| 474 | |||
| 475 | if (is_array($morph)) { |
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| 476 | list($morphType, $foreignKey) = $morph; |
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| 477 | } else { |
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| 478 | $morphType = $morph . '_type'; |
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| 479 | $foreignKey = $morph . '_id'; |
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| 480 | } |
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| 481 | |||
| 482 | return new MorphMany($this, $model, $foreignKey, $morphType, $type); |
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| 483 | } |
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| 484 | |||
| 485 | /** |
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| 486 | * MORPH TO 关联定义 |
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| 487 | * @access public |
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| 488 | * @param string|array $morph 多态字段信息 |
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| 489 | * @param array $alias 多态别名定义 |
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| 490 | * @return MorphTo |
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| 491 | */ |
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| 492 | public function morphTo($morph = null, array $alias = []): MorphTo |
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| 493 | { |
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| 494 | $trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 2); |
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| 495 | $relation = App::parseName($trace[1]['function']); |
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| 496 | |||
| 497 | if (is_null($morph)) { |
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| 498 | $morph = $relation; |
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| 499 | } |
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| 500 | |||
| 501 | // 记录当前关联信息 |
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| 502 | if (is_array($morph)) { |
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| 503 | list($morphType, $foreignKey) = $morph; |
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| 504 | } else { |
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| 505 | $morphType = $morph . '_type'; |
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| 506 | $foreignKey = $morph . '_id'; |
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| 507 | } |
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| 508 | |||
| 509 | return new MorphTo($this, $morphType, $foreignKey, $alias, $relation); |
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| 510 | } |
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| 511 | |||
| 512 | /** |
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| 513 | * 解析模型的完整命名空间 |
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| 514 | * @access protected |
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| 515 | * @param string $model 模型名（或者完整类名） |
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| 516 | * @return string |
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| 517 | */ |
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| 518 | protected function parseModel(string $model): string |
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| 519 | { |
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| 520 | if (false === strpos($model, '\\')) { |
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| 521 | $path = explode('\\', static::class); |
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| 522 | array_pop($path); |
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| 523 | array_push($path, App::parseName($model, 1)); |
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| 524 | $model = implode('\\', $path); |
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| 525 | } |
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| 526 | |||
| 527 | return $model; |
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| 528 | } |
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| 529 | |||
| 530 | /** |
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| 531 | * 获取模型的默认外键名 |
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| 532 | * @access protected |
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| 533 | * @param string $name 模型名 |
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| 534 | * @return string |
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| 535 | */ |
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| 536 | protected function getForeignKey(string $name): string |
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| 543 | } |
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| 544 | |||
| 545 | /** |
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| 546 | * 检查属性是否为关联属性 如果是则返回关联方法名 |
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| 547 | * @access protected |
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| 548 | * @param string $attr 关联属性名 |
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| 549 | * @return string|false |
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| 550 | */ |
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| 551 | protected function isRelationAttr(string $attr) |
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| 552 | { |
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| 553 | $relation = App::parseName($attr, 1, false); |
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| 554 | |||
| 555 | if (method_exists($this, $relation) && !method_exists('think\Model', $relation)) { |
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| 556 | return $relation; |
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| 557 | } |
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| 558 | |||
| 559 | return false; |
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| 560 | } |
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| 561 | |||
| 562 | /** |
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| 563 | * 智能获取关联模型数据 |
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| 564 | * @access protected |
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| 565 | * @param Relation $modelRelation 模型关联对象 |
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| 566 | * @return mixed |
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| 567 | */ |
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| 568 | protected function getRelationData(Relation $modelRelation) |
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| 569 | { |
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| 570 | if ($this->parent && !$modelRelation->isSelfRelation() && get_class($this->parent) == get_class($modelRelation->getModel())) { |
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| 571 | return $this->parent; |
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| 572 | } |
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| 573 | |||
| 574 | // 获取关联数据 |
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| 575 | return $modelRelation->getRelation(); |
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| 576 | } |
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| 577 | |||
| 578 | /** |
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| 579 | * 关联数据自动写入检查 |
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| 580 | * @access protected |
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| 581 | * @return void |
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| 582 | */ |
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| 583 | protected function checkAutoRelationWrite(): void |
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| 604 | } |
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| 605 | } |
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| 606 | } |
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| 607 | |||
| 608 | /** |
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| 609 | * 自动关联数据更新（针对一对一关联） |
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| 610 | * @access protected |
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| 611 | * @return void |
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| 612 | */ |
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| 613 | protected function autoRelationUpdate(): void |
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| 623 | } |
||
| 624 | } |
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| 625 | } |
||
| 626 | } |
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| 627 | |||
| 628 | /** |
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| 629 | * 自动关联数据写入（针对一对一关联） |
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| 630 | * @access protected |
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| 631 | * @return void |
||
| 632 | */ |
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| 633 | protected function autoRelationInsert(): void |
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| 638 | } |
||
| 639 | } |
||
| 640 | |||
| 641 | /** |
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| 642 | * 自动关联数据删除（支持一对一及一对多关联） |
||
| 643 | * @access protected |
||
| 644 | * @return void |
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| 645 | */ |
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| 646 | protected function autoRelationDelete(): void |
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| 657 | } |
||
| 658 | } |
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| 662 |
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